Primary yoke for a windshield wiper



FIG. 1 is a top perspective view of a primary yoke for a windshield wiper showing our new design;

FIG. 2 is a perspective view thereof as seen from the bottom;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a primary yoke for windshield wiper, as shown. 